/* ── DESIGN TOKENS ───────────────────────────────────────── */
:root, [data-theme="light"] {
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'General Sans', 'Inter', sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  --space-1:.25rem; --space-2:.5rem;  --space-3:.75rem; --space-4:1rem;
  --space-5:1.25rem;--space-6:1.5rem; --space-8:2rem;   --space-10:2.5rem;
  --space-12:3rem;  --space-16:4rem;  --space-20:5rem;  --space-24:6rem;

  --color-bg:             #f7f6f2;
  --color-surface:        #f9f8f5;
  --color-surface-2:      #fbfbf9;
  --color-surface-offset: #f0ede8;
  --color-divider:        #dcd9d5;
  --color-border:         #d4d1ca;
  --color-text:           #28251d;
  --color-text-muted:     #6a6960;
  --color-text-faint:     #b0afa9;
  --color-primary:        #01696f;
  --color-primary-hover:  #0c4e54;
  --color-primary-hl:     #cedcd8;

  --radius-sm:.375rem; --radius-md:.5rem;  --radius-lg:.75rem;
  --radius-xl:1rem;    --radius-2xl:1.5rem;--radius-full:9999px;

  --shadow-sm: 0 1px 3px  rgba(40,37,29,.07);
  --shadow-md: 0 4px 16px rgba(40,37,29,.09);
  --shadow-lg: 0 12px 36px rgba(40,37,29,.13);
  --transition: 180ms cubic-bezier(0.16,1,0.3,1);
}

@media(prefers-color-scheme:dark){:root:not([data-theme]){
  --color-bg:#171614;--color-surface:#1c1b19;--color-surface-2:#201f1d;
  --color-surface-offset:#252320;--color-divider:#262523;--color-border:#393836;
  --color-text:#cdccca;--color-text-muted:#797876;--color-text-faint:#5a5957;
  --color-primary:#4f98a3;--color-primary-hover:#227f8b;--color-primary-hl:#1e3338;
  --shadow-sm:0 1px 2px rgba(0,0,0,.22);--shadow-md:0 4px 16px rgba(0,0,0,.32);--shadow-lg:0 12px 36px rgba(0,0,0,.42);
}}

/* ── BASE OVERRIDES (work alongside Bootstrap) ─────────────── */
body {
  font-family: var(--font-body) !important;
  background: var(--color-bg) !important;
  color: var(--color-text) !important;
}
*{ box-sizing: border-box; }
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ── MAIN CONTAINER ─────────────────────────────────────────── */
.main-container {
  padding-top: var(--space-8);
  padding-bottom: var(--space-12);
}

/* ── ① HERO ─────────────────────────────────────────────────── */
.est-hero {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-divider);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-8);
}
.est-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 65% 55% at 60% 40%, rgba(1,105,111,.07), transparent);
  pointer-events: none;
}
.est-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.est-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: var(--text-xs); font-weight: 700;
  color: var(--color-primary); background: var(--color-primary-hl);
  border-radius: var(--radius-full); padding: .25rem .85rem;
  letter-spacing: .05em; text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.est-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--color-primary);
  animation: est-pulse 2s ease-in-out infinite;
}
@keyframes est-pulse {
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(1.5)}
}
.est-hero h1 {
  font-family: var(--font-display) !important;
  font-size: var(--text-2xl) !important;
  font-weight: 800 !important;
  color: var(--color-text) !important;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin-bottom: var(--space-5);
}
.est-hero h1 em {
  font-style: normal;
  color: var(--color-primary);
}
.est-hero-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-bottom: var(--space-8);
  line-height: 1.75;
}
.est-hero-actions {
  display: flex; gap: .75rem;
  flex-wrap: wrap; align-items: center;
  margin-bottom: var(--space-8);
}
.est-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.5rem; border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  text-decoration: none; white-space: nowrap;
  border: 1.5px solid transparent;
  font-family: var(--font-body);
  transition: all var(--transition);
  cursor: pointer;
}
.est-btn-primary {
  background: var(--color-primary); color: #fff !important;
  border-color: var(--color-primary);
}
.est-btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  color: #fff !important;
  text-decoration: none;
}
.est-btn-ghost {
  background: transparent; color: var(--color-text) !important;
  border-color: var(--color-border);
}
.est-btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary) !important;
  text-decoration: none;
}
.est-hero-trust {
  display: flex; gap: var(--space-6);
  align-items: center; flex-wrap: wrap;
}
.est-trust-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}
.est-trust-stat span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.est-trust-div {
  width: 1px; height: 2rem;
  background: var(--color-divider);
}
/* Hero card stack */
.est-hero-visual { position: relative; }
.est-card-stack  { position: relative; height: 300px; }
.est-float-card  {
  position: absolute;
  background: var(--color-surface);
  border: 1px solid rgba(40,37,29,.1);
  border-radius: var(--radius-xl);
  padding: .875rem 1.125rem;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: .75rem;
}
.est-float-card:nth-child(1){top:8px;left:0;width:215px}
.est-float-card:nth-child(2){top:86px;right:0;width:200px}
.est-float-card:nth-child(3){bottom:55px;left:25px;width:230px}
.est-float-card:nth-child(4){bottom:0;right:6px;width:192px}
.est-fc-icon {
  width: 34px; height: 34px; border-radius: var(--radius-md);
  background: var(--color-primary-hl);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.est-fc-icon svg {
  width: 16px; height: 16px;
  stroke: var(--color-primary); fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
}
.est-fc-text strong {
  display: block; font-size: var(--text-sm);
  font-weight: 600; color: var(--color-text);
}
.est-fc-text span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── ② TRUST BAR ────────────────────────────────────────────── */
.est-trust-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  padding: var(--space-5) 0;
  margin-bottom: var(--space-8);
}
.est-trust-bar-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  gap: var(--space-6); flex-wrap: wrap;
}
.est-tbar-item {
  display: flex; align-items: center;
  gap: .625rem; font-size: var(--text-sm);
}
.est-tbar-item svg {
  width: 18px; height: 18px;
  stroke: var(--color-primary); fill: none;
  stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}
.est-tbar-item strong { font-weight: 600; color: var(--color-text); }
.est-tbar-item span   { color: var(--color-text-muted); }

/* ── ③ SEARCH BAR (override original) ──────────────────────── */
#searchSec {
  margin-bottom: var(--space-8);
}
#searchSec .input-group.green {
  border-radius: var(--radius-xl) !important;
  overflow: hidden;
  box-shadow: var(--shadow-md) !important;
  border: 2px solid var(--color-border) !important;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#searchSec .input-group.green:focus-within {
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(1,105,111,.12), var(--shadow-md) !important;
}
#searchSec .input-group-addon.search-green {
  background: var(--color-primary-hl) !important;
  border: none !important;
  color: var(--color-primary) !important;
  padding-inline: var(--space-4);
}
#searchSec .form-control {
  background: var(--color-surface) !important;
  color: var(--color-text) !important;
  border: none !important;
  font-family: var(--font-body) !important;
  font-size: var(--text-base) !important;
  padding: var(--space-3) var(--space-4) !important;
  height: auto !important;
}
#searchSec .form-control::placeholder { color: var(--color-text-faint) !important; }
#searchSec .search-results#index-results {
  margin-top: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
#searchSec hr {
  border-color: var(--color-divider) !important;
  margin-top: var(--space-6);
}

/* ── ④ CATEGORY HEADING ─────────────────────────────────────── */
.category_heading {
  font-family: var(--font-display) !important;
  font-size: var(--text-xl) !important;
  font-weight: 800 !important;
  color: var(--color-text) !important;
  letter-spacing: -.02em;
  margin-bottom: var(--space-2) !important;
  display: flex; align-items: baseline; gap: .4rem;
}
.category_heading span {
  color: var(--color-primary) !important;
  font-size: var(--text-xl) !important;
}
.category_des {
  font-size: var(--text-base) !important;
  color: var(--color-text-muted) !important;
  margin-bottom: var(--space-6) !important;
  line-height: 1.7;
}
.category_box {
  background: transparent;
  padding-bottom: var(--space-4);
}

/* ── ⑤ TOOL CARDS (thumbnail override) ─────────────────────── */
.thumbnail {
  background: var(--color-surface) !important;
  border: 1px solid rgba(40,37,29,.08) !important;
  border-radius: var(--radius-xl) !important;
  padding: var(--space-4) var(--space-3) !important;
  margin-bottom: var(--space-4) !important;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition) !important;
  box-shadow: var(--shadow-sm) !important;
}
.thumbnail:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-3px);
  border-color: rgba(1,105,111,.35) !important;
}
.seotoolimg {
  width: 52px !important;
  height: 52px !important;
  object-fit: contain;
  margin: 0 auto var(--space-3) !important;
  border-radius: var(--radius-md) !important;
  background: var(--color-primary-hl) !important;
  padding: var(--space-2) !important;
  transition: transform var(--transition);
}
.thumbnail:hover .seotoolimg {
  transform: scale(1.08);
}
.seotoollink {
  text-decoration: none !important;
  color: var(--color-text) !important;
  display: block;
}
.seotoollink:hover { text-decoration: none !important; color: var(--color-primary) !important; }
.thumbnail .caption {
  font-size: var(--text-xs) !important;
  font-weight: 600 !important;
  color: var(--color-text-muted) !important;
  font-family: var(--font-body) !important;
  line-height: 1.4;
  margin-top: 0 !important;
  padding: 0 !important;
  transition: color var(--transition);
}
.thumbnail:hover .caption { color: var(--color-primary) !important; }

/* ── ⑥ "BROWSE MORE TOOLS" BUTTON ─────────────────────────── */
.moreToolsBut {
  margin: var(--space-8) 0 var(--space-6);
}
.moreToolsBut .btn.btn-info,
#browseTools {
  background: transparent !important;
  color: var(--color-primary) !important;
  border: 2px solid var(--color-primary) !important;
  border-radius: var(--radius-md) !important;
  font-family: var(--font-body) !important;
  font-size: var(--text-sm) !important;
  font-weight: 600 !important;
  padding: .75rem 2rem !important;
  transition: all var(--transition) !important;
  box-shadow: none !important;
}
.moreToolsBut .btn.btn-info:hover,
#browseTools:hover {
  background: var(--color-primary) !important;
  color: #fff !important;
  box-shadow: var(--shadow-md) !important;
}

/* ── ⑦ AD BOX ───────────────────────────────────────────────── */
.xd_top_box {
  margin: var(--space-8) 0;
  text-align: center;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
}

/* ── ⑧ CONTENT SECTIONS (after tools grid) ─────────────────── */

/* Section label */
.est-sec-label {
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-primary); margin-bottom: var(--space-3);
  display: block;
}
/* Section title */
.est-sec-title {
  font-family: var(--font-display) !important;
  font-size: var(--text-xl) !important;
  font-weight: 800 !important;
  color: var(--color-text) !important;
  letter-spacing: -.02em;
  margin-bottom: var(--space-4) !important;
  line-height: 1.15;
}
.est-sec-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 58ch;
  line-height: 1.75;
  margin-bottom: 0;
}
.est-sec-header { margin-bottom: var(--space-10); }
.est-section {
  padding: clamp(3rem,6vw,5.5rem) 0;
}
.est-section-alt { background: var(--color-surface); }
.est-divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: 0;
}

/* ── HOW IT WORKS ───────────────────────────────────────────── */
.est-steps-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: var(--space-8);
  position: relative;
}
.est-steps-row::before {
  content: '';
  position: absolute;
  top: 26px;
  left: calc(33.33% - 1rem);
  right: calc(33.33% - 1rem);
  height: 1px;
  background: var(--color-divider);
}
.est-step {
  display: flex; flex-direction: column; gap: var(--space-4);
  opacity: 0; transform: translateY(16px);
  transition: opacity .4s ease, transform .4s ease;
}
.est-step.est-visible { opacity: 1; transform: translateY(0); }
.est-step-num {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: var(--text-base); font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-display);
  position: relative; z-index: 1;
}
.est-step h3 {
  font-family: var(--font-display) !important;
  font-size: var(--text-base) !important;
  font-weight: 700 !important;
  color: var(--color-text) !important;
  margin: 0 !important;
}
.est-step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin: 0;
}

/* ── AUTHORITY / E-E-A-T ────────────────────────────────────── */
.est-auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}
.est-auth-content {
  display: flex; flex-direction: column; gap: var(--space-6);
}
.est-auth-content > p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin: 0;
}
.est-proof-list {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: var(--space-4);
}
.est-proof-list li {
  display: flex; gap: .75rem; align-items: flex-start;
  font-size: var(--text-sm); color: var(--color-text-muted);
}
.est-proof-tick {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--color-primary-hl);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.est-proof-tick svg {
  width: 11px; height: 11px;
  stroke: var(--color-primary); fill: none;
  stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round;
}
.est-stat-boxes {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.est-stat-box {
  background: var(--color-bg);
  border: 1px solid rgba(40,37,29,.08);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  opacity: 0; transform: translateY(14px);
  transition: opacity .4s ease, transform .4s ease;
}
.est-stat-box.est-visible { opacity: 1; transform: translateY(0); }
.est-stat-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl); font-weight: 800;
  color: var(--color-text);
  letter-spacing: -.02em; margin-bottom: .25rem;
}
.est-stat-box span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.est-stat-box.est-hi {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.est-stat-box.est-hi strong,
.est-stat-box.est-hi span { color: #fff; }
.est-stat-box.est-hi span { opacity: .82; }

/* ── USE CASES ──────────────────────────────────────────────── */
.est-uc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px,100%), 1fr));
  gap: var(--space-4);
}
.est-uc-card {
  background: var(--color-surface);
  border: 1px solid rgba(40,37,29,.08);
  border-radius: var(--radius-xl);
  padding: var(--space-5) var(--space-6);
  opacity: 0; transform: translateY(14px);
  transition: opacity .4s ease, transform .4s ease;
}
.est-uc-card.est-visible { opacity: 1; transform: translateY(0); }
.est-uc-card strong {
  display: block; font-size: var(--text-sm);
  font-weight: 700; color: var(--color-text);
  margin-bottom: var(--space-2);
}
.est-uc-card p {
  font-size: var(--text-xs); color: var(--color-text-muted);
  line-height: 1.65; margin: 0;
}

/* ── FAQ ────────────────────────────────────────────────────── */
.est-faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4) var(--space-12);
}
.est-faq-item {
  border-bottom: 1px solid var(--color-divider);
  padding-bottom: var(--space-5);
  opacity: 0; transform: translateY(12px);
  transition: opacity .4s ease, transform .4s ease;
}
.est-faq-item.est-visible { opacity: 1; transform: translateY(0); }
.est-faq-item strong {
  display: block; font-family: var(--font-display);
  font-size: var(--text-base); font-weight: 600;
  color: var(--color-text); margin-bottom: var(--space-2);
}
.est-faq-item p {
  font-size: var(--text-sm); color: var(--color-text-muted);
  line-height: 1.7; margin: 0;
}

/* ── CTA BANNER ─────────────────────────────────────────────── */
.est-cta {
  background: var(--color-primary);
  padding: clamp(3rem,6vw,5rem) 0;
}
.est-cta-inner {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
}
.est-cta-inner h2 {
  font-family: var(--font-display) !important;
  font-size: var(--text-xl) !important;
  font-weight: 800 !important;
  color: #fff !important;
  margin-bottom: var(--space-4) !important;
  letter-spacing: -.02em;
}
.est-cta-inner p {
  font-size: var(--text-base);
  color: rgba(255,255,255,.82);
  margin-bottom: var(--space-8);
  max-width: 50ch; margin-inline: auto;
  line-height: 1.75;
}
.est-cta-actions {
  display: flex; gap: .75rem;
  flex-wrap: wrap; justify-content: center;
}
.est-btn-white {
  background: #fff; color: var(--color-primary) !important;
  border: 1.5px solid #fff; font-weight: 700;
}
.est-btn-white:hover {
  background: rgba(255,255,255,.9);
  box-shadow: 0 6px 20px rgba(0,0,0,.15);
  color: var(--color-primary) !important;
  text-decoration: none;
}
.est-btn-outline-white {
  background: transparent; color: #fff !important;
  border: 1.5px solid rgba(255,255,255,.5);
}
.est-btn-outline-white:hover {
  border-color: #fff;
  background: rgba(255,255,255,.1);
  color: #fff !important;
  text-decoration: none;
}

/* ── DARK MODE TOGGLE ───────────────────────────────────────── */
.est-theme-toggle {
  position: fixed; top: 1rem; right: 1rem; z-index: 9999;
  width: 40px; height: 40px; border-radius: 9999px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted); cursor: pointer;
  transition: color var(--transition);
}
.est-theme-toggle:hover { color: var(--color-text); }
.est-theme-toggle svg {
  width: 18px; height: 18px; fill: none;
  stroke: currentColor; stroke-width: 2;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media(max-width:991px){
  .est-hero-inner  { grid-template-columns: 1fr; }
  .est-hero-visual { display: none; }
  .est-auth-grid   { grid-template-columns: 1fr; gap: var(--space-8); }
}
@media(max-width:768px){
  .est-steps-row  { grid-template-columns: 1fr; gap: var(--space-6); }
  .est-steps-row::before { display: none; }
  .est-faq-grid   { grid-template-columns: 1fr; }
  .est-trust-bar-inner { gap: var(--space-4); }
  .est-hero-trust { gap: var(--space-4); }
  .est-hero-actions { flex-direction: column; align-items: flex-start; }
  .est-cta-actions  { flex-direction: column; align-items: center; }
}
@media(max-width:480px){
  .est-stat-boxes { grid-template-columns: 1fr 1fr; }
}